Martingale excel.

[User123]

Hi everyone. I need martingale excel for red/black.

Who have martingale excel please upload.

Or who can create this one: if last number was red bet 1usd for red. If win start again. If black comes and lost bet 2 usd for black....

that is, according to the latest number.

But all this starts 3 consecutive losses

Thank you in advance

[User123]

I'm waiting